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Finding the Fourth Proportional to 555,805.92, 767,026.38 and 341,064.66

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Solution

The fourth proportional to 555,805.92, 767,026.38 and 341,064.66 is: 470,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,805.92 : 767,026.38 = 341,064.66 : x
  2. Step 2: Convert to fraction form
    555,805.92/767,026.38 = 341,064.66/x
  3. Step 3: Cross multiply
    555,805.92x = 767,026.38 × 341,064.66
  4. Step 4: Simplify right side
    555,805.92x = 261,605,591,505.73
  5. Step 5: Solve for x
    x = 261,605,591,505.73/555,805.92
  6. Step 6: Final answer
    x = 470,677.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.